| Callsign | KM4UDW |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2026-03-18 |
| Effective Date | 2026-03-18 |
| Expire Date | 2036-05-23 |
| Cancel Date | |
| Last Action Date | 2026-03-18 |
| End Date | 2036-05-23 |
| Available Date | 2038-05-24 |
| Applicant Type | I - Individual |
| Entity Name | Chiang, Charles |
| Street Address / Locality | 5447 Braddock Ridge Dr Centreville, VA 20120 |
| County | Fairfax County |
| Zip Location | 38°51'07.4"N 77°28'14.6"W |
| Maidenhead | FM18gu |
| FRN | 0025607235 |
| Licensee ID/SGIN | L02028237 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / VA |
| Prev Callsign / Prev Class | |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0011949419 |
| Phonetic weight / Morse weight | 12 / 68 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2016-05-23 | SYSGRT - New Systematic Call Sign Assigned |
| 2016-05-23 | LIISS - License Issued |
| 2026-03-18 | LIREN - License Renewed |